153 lines
4.4 KiB
C++
153 lines
4.4 KiB
C++
/*
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* Cppcheck - A tool for static C/C++ code analysis
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* Copyright (C) 2007-2017 Cppcheck team.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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//---------------------------------------------------------------------------
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#ifndef platformH
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#define platformH
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//---------------------------------------------------------------------------
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#include "config.h"
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#include <string>
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/// @addtogroup Core
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/// @{
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namespace cppcheck {
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/**
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* @brief Platform settings
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*/
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class CPPCHECKLIB Platform {
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private:
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static long long min_value(int bit) {
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if (bit >= 64)
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return 1LL << 63;
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return -(1LL << (bit-1));
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}
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static long long max_value(int bit) {
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if (bit >= 64)
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return (~0ULL) >> 1;
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return (1LL << (bit-1)) - 1LL;
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}
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public:
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Platform();
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virtual ~Platform() {}
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bool isIntValue(long long value) const {
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return value >= min_value(int_bit) && value <= max_value(int_bit);
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}
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bool isLongValue(long long value) const {
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return value >= min_value(long_bit) && value <= max_value(long_bit);
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}
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unsigned int char_bit; /// bits in char
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unsigned int short_bit; /// bits in short
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unsigned int int_bit; /// bits in int
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unsigned int long_bit; /// bits in long
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unsigned int long_long_bit; /// bits in long long
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/** size of standard types */
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unsigned int sizeof_bool;
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unsigned int sizeof_short;
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unsigned int sizeof_int;
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unsigned int sizeof_long;
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unsigned int sizeof_long_long;
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unsigned int sizeof_float;
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unsigned int sizeof_double;
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unsigned int sizeof_long_double;
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unsigned int sizeof_wchar_t;
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unsigned int sizeof_size_t;
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unsigned int sizeof_pointer;
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char defaultSign; // unsigned:'u', signed:'s', unknown:'\0'
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enum PlatformType {
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Unspecified, // No platform specified
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Native, // whatever system this code was compiled on
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Win32A,
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Win32W,
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Win64,
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Unix32,
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Unix64,
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PlatformFile
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};
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/** platform type */
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PlatformType platformType;
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/** set the platform type for predefined platforms */
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bool platform(PlatformType type);
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/** set the platform type for user specified platforms */
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bool platformFile(const char exename[], const std::string &filename);
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/**
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* @brief Returns true if platform type is Windows
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* @return true if Windows platform type.
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*/
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bool isWindowsPlatform() const {
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return platformType == Win32A ||
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platformType == Win32W ||
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platformType == Win64;
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}
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const char *platformString() const {
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switch (platformType) {
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case Unspecified:
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return "Unspecified";
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case Native:
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return "Native";
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case Win32A:
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return "win32A";
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case Win32W:
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return "win32W";
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case Win64:
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return "win64";
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case Unix32:
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return "unix32";
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case Unix64:
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return "unix64";
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case PlatformFile:
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return "platformFile";
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default:
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return "unknown";
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}
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}
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long long unsignedCharMax() const {
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return max_value(char_bit + 1);
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}
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long long signedCharMax() const {
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return max_value(char_bit);
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}
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long long signedCharMin() const {
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return min_value(char_bit);
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}
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};
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}
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/// @}
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//---------------------------------------------------------------------------
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#endif // platformH
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